Why do people find it easier to calculate the speed of sound mps than the speed of sound in m/h or miles per second? And the only reason behind it is that the m/s unit is the S.I unit and it is much more familiar and also frequently used. But, we cannot leave behind any unit whether it is used frequently or not. Therefore, here we will calculate the speed of the sound in all possible units of the speed. So, without further discussion, let’s begin and see the speed of sound mps.
What Is Speed Of Sound MPS?
The speed of sound mps is 343 mps, which is the distance traveled by the sound wave per unit of time as it propagates through an elastic medium. So, at the temperature of 20 °C, the speed of sound in air mps is about 343 meters per second. The speed of sound in ideal gas depends only on its temperature and composition. And it has a weak dependence on frequency and pressure in ordinary air, deviating slightly from ideal behavior.
Now, you know what is the speed of sound in mps. Let’s see the speed of sound in air at sea level in mps. And it is 340 m/s. Why is it less by 3 m/s than the normal speed of the sound? Because the speed of sound decreases when you move upward.
What is the speed of sound in km per hour? So, it is 1225 km/h. Similarly, m/s or km/h, the speed of the sound is also measured in the meter per foot, and the speed of sound in fps is 1125.33 f/s. Now, the question is, what is the speed of sound in air in m/s? It is 331.5 m/s.
You all know that the speed of sound changes according to the medium, but here I want to tell you that, the speed of sound also changes according to the temperature and height. What is the speed of sound at 35 °C? The speed of sound at 35 °C is 352 m/s. The speed of sound in solid is 6000 m/s while the speed of sound in liquid is 1480 m/s.
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Now, you know the speed of sound in miles per second and you also became able to answer what is the speed of sound in mph. But these all are predetermined values. What if you need to calculate it for other parameters like distance, frequency, etc.
Calculate The Speed Of Sound MPS
Since the speed of sound is the distance traveled by the sound wave in a given period of time, the speed of sound can be calculated by using the following formula.
v = λ f
Where,
V – is the speed of sound
λ – is the wavelength of the sound wave, and
f – is the frequency of waves.
From this formula, you can say that the speed of sound is affected by or dependent on the factors like density, and temperatures of the medium in which the sound wave travels.
So, let’s learn the use of this above-given formula by taking one example.
What will be the speed of a sound wave if it has a frequency of 2 kHz and wavelength of 35 cm?
So, by using the formula v = λ f
The speed of sound wave = 2000 x 35 x 0.01 = 700 m/s.
Now, you can calculate the speed of the sound waves by using this formula.
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FAQ
What Is The Speed Of Sound Speed?
about 761 mph
If we consider the atmosphere on a standard day at sea level static conditions, the speed of sound is about 761 mph, or 1100 feet/second.
What Is The Speed Of Sound In MS 1?
344 m s−1
In air at 20°C sound travels at 344 m s−1, in water at 20°C it travels at 1461 m s−1, and in steel at 20°C at 5000 m s−1.
What Is Local Speed Of Sound?
At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or one kilometre in 2.9 s or one mile in 4.7 s.
What Is The Speed Of Sound In KM?
1,225 km/h
On Earth, the speed of sound at sea level — assuming an air temperature of 59 degrees Fahrenheit (15 degrees Celsius) — is 761.2 mph (1,225 km/h).
Is Lightning Faster Than Sound?
Lightning and thunder happen at the same time. But you see lightning before you hear thunder because light, which travels a million times faster than sound, arrives almost instantly. Sound, on the other hand, takes about five seconds to travel one mile.
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Is The Speed Of Sound 343 Or 331?
At 0°C , the speed of sound is 331 m/s, whereas at 20.0 °C, it is 343 m/s, less than a 4% increase. Figure 17.3. 3 shows how a bat uses the speed of sound to sense distances.
What Is Mach 2 Speed?
Armstrong Flight Research Center
On Nov. 20, 1953, Scott Crossfield piloted the Douglas D-558-II Skyrocket research aircraft to Mach 2 – twice the speed of sound, or more than 1,290 mph.
Conclusion
Now, you are much more confident in calculating the speed of the sound waves in all types of mediums. It is because through this article you have learned a formula to calculate the speed of sound. The speed of sound is always greater in a solid medium than in liquid and the speed of the sound in a liquid medium is always greater than it is in gas. Because the sound wave propagates by the collisions between the particles, and those mediums have more dense particles it carries sound more speedily. The vacuum does not have a particle, therefore, the speed of sound in a vacuum is zero m/s. So, this was all about the speed of sound mps.
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Is the speed of sound 1000 mph